Logic Puzzles

This new game challenges both your logic abilitiesand your visual perception at the same time using“Quipus”.Quipus were devices used by the Incas and theAndean civilization for recording information (foraccounting purposes), consisting of variously

How to playYou must discover which one of the three proposedquipus (A, B or C) is identical to the quipu withinthe frame, following one simple rule: two quipusare considered identical if we can convert one tothe other by rotation of the threads around theknots (fig. 1), without lifting them or turning thequipu over (see examples in fig. 2).